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3 years ago

PLEASE HELP I ATTACHED THE QUESTION BELOW!!!

Mathematics

1 answer:

Len [333]3 years ago

7 0

Answer:

It is correct. Alan can tell by looking at the graph that all sides are congruent.

Step-by-step explanation:

The length of a side can be found from the Pythagorean theorem. The square of a side length of the figure is the sum of the squares of the sides of the right triangle of which the figure's side is a hypotenuse. In each case, those right triangles have side lengths of 1 and 4, so the figure has side lengths that are ...

√(1² + 4²) = √17

All the figure's sides have this geometry, so they are all √17 in length. The fact that all sides are congruent is what makes the figure a rhombus. (The fact that sides are parallel is additional confirmation.)

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Factorise 2x^2 - 9x -5

Nostrana [21]

Answer:

(x-5)(2x+1)

Step-by-step explanation:

Its called google XD

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3 years ago

Half the difference between two numbers is 2. The sum of the

leva [86]

Answer:

as below

Step-by-step explanation:

1st the difference is 4 b/c half of 4 = 2

and

2*smaller +greater = 13

so check out small number that are 4 apart.. like 2 and 6

2(2)+6 =10

2(3) +7 = 13 aahh hah.. that's it

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3 years ago

72 is 75 percent of what number

aniked [119]

Its ans will become 96

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3 years ago

Read 2 more answers

Suppose P(E) = 0.3. Find P(not E). Suppose P(not E) = 65%. Find P(E).

larisa [96]

Try this option:
1. rule: P(E)+P(not E)=1.
2. according to the rule above
P(not E)=1-P(E)=1-0.3=0.7;
P(E)=1-P(not E)=(100-65)%=35%.

6 0

3 years ago

To mix weed killer with water correctly it is necessary to mix 6 teaspoons of weed killer with 2 gallons of water. Find how many

igomit [66]

The correct proportion for mixing weedkiller with water is;

$6\text{tsp:}2\text{gal}$

When the entire box contains 12 teaspoons of weedkiller, we would now have;

$\begin{gathered} \frac{6}{2}=\frac{12}{x} \\ \text{Where;} \\ x=\text{gallons of water} \\ \text{Cross multiply and we'll have;} \\ x=\frac{12\times2}{6} \\ x=4 \end{gathered}$

ANSWER:

To mix 12 teaspoons of weedkiller, 4 gallons of water is needed.

7 0

11 months ago